142021013433 has 16 divisors (see below), whose sum is σ = 212794028160. Its totient is φ = 83597652864.

The previous prime is 142021013419. The next prime is 142021013461. The reversal of 142021013433 is 334310120241.

It is a happy number.

It is not a de Polignac number, because 142021013433 - 2⁴ = 142021013417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142021014433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79163548 + ... + 79165341.

It is an arithmetic number, because the mean of its divisors is an integer number (13299626760).

Almost surely, 2^142021013433 is an apocalyptic number.

142021013433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142021013433 is a deficient number, since it is larger than the sum of its proper divisors (70773014727).

142021013433 is a wasteful number, since it uses less digits than its factorization.

142021013433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158328928.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 142021013433 its reverse (334310120241), we get a palindrome (476331133674).

The spelling of 142021013433 in words is "one hundred forty-two billion, twenty-one million, thirteen thousand, four hundred thirty-three".